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Finding the Fourth Proportional to 17,157.96, 25,695.02 and 10,575.09

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Solution

The fourth proportional to 17,157.96, 25,695.02 and 10,575.09 is: 15,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.96 : 25,695.02 = 10,575.09 : x
  2. Step 2: Convert to fraction form
    17,157.96/25,695.02 = 10,575.09/x
  3. Step 3: Cross multiply
    17,157.96x = 25,695.02 × 10,575.09
  4. Step 4: Simplify right side
    17,157.96x = 271,727,175.49
  5. Step 5: Solve for x
    x = 271,727,175.49/17,157.96
  6. Step 6: Final answer
    x = 15,836.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.